Johannesburg: Backend API Integration Engineer posted by Sabenza IT & Recruitment

We are seeking a highly skilled API Integration Engineer with strong backend development expertise and a proven track record in building, integrating, and optimizing APIs and microservices. The ideal candidate will have at least 5 years of hands-on experience across .NET, Python, cloud services, and modern DevOps practices.

Key Responsibilities

• Design, develop, and maintain robust API integrations and microservices.
  
• Build scalable backend components using .NET / .NET Core, C#, Python, PowerShell, and SQL.
  
• Integrate applications and services using RESTful APIs, event-driven patterns, and cloud-native architectures.
  
• Work with AWS services including Lambda, API Gateway, DynamoDB, EC2, S3, CloudWatch, and SQS to develop and maintain cloud-based solutions.
  
• Collaborate with DevOps teams to support and enhance CI/CD pipelines using Azure DevOps.
  
• Ensure system reliability, performance optimization, and monitoring using industry best practices.
  
• Troubleshoot and resolve complex integration challenges across distributed systems.
  
• Contribute to architectural decisions and ensure adherence to coding, security, and quality standards.
  

Requirements

• Minimum 5 years in backend development and API integration roles.
  
• Proven experience delivering scalable, reliable integration solutions in cloud environments 5+ years professional experience in .NET / .NET Core, C#, Python, PowerShell, SQL.
  
• Strong experience in API development and microservices architecture.
  
• Solid understanding of AWS cloud computing, specifically:
  
• Lambda, API Gateway, DynamoDB, EC2, S3, CloudWatch, SQS
  
• Experience building and maintaining CI/CD pipelines, preferably with Azure DevOps.
  
• Strong understanding of software design patterns, API security, and performance tuning.